47172433873520 has 20 divisors (see below), whose sum is σ = 109675908756120. Its totient is φ = 18868973549376.

The previous prime is 47172433873517. The next prime is 47172433873529. The reversal of 47172433873520 is 2537833427174.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×47172433873520² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172433873529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294827711630 + ... + 294827711789.

It is an arithmetic number, because the mean of its divisors is an integer number (5483795437806).

Almost surely, 2^{47172433873520} is an apocalyptic number.

47172433873520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47172433873520 is an abundant number, since it is smaller than the sum of its proper divisors (62503474882600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47172433873520 is a wasteful number, since it uses less digits than its factorization.

47172433873520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589655423432 (or 589655423426 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 47172433873520 in words is "forty-seven trillion, one hundred seventy-two billion, four hundred thirty-three million, eight hundred seventy-three thousand, five hundred twenty".